Mustard spinach + Black crowberry

Komatsuna or Japanese mustard spinach (Brassica rapa var. perviridis) is a leaf vegetable. It is a variety of Brassica rapa, the plant species that yields the turnip, mizuna, napa cabbage, and rapini. It is grown commercially in Japan and Taiwan. The name komatsuna is from the Japanese komatsuna, "small pine tree greens". It is stir-fried, pickled, boiled, and added to soups or used fresh in salads. It is an excellent source of calcium.

Empetrum nigrum is a species of crowberry known as black crowberry which is native to most northern areas of the northern hemisphere, as well as the Falkland Islands in the southern hemisphere. In gardening, it can be grown in acidic soils in shady, moist areas. It can be used for the edible berries, for a purple dye, or as a ground cover. The metabolism and photosynthetic parameters of Empretrum can be altered in winter-warming experiments